libgender/test.C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

#include "opengl.h"

#include "SDL.h"
#include "SDL_opengl.h"

static SDL_Surface *global_image = NULL;
static GLuint global_texture = 0;

#include "util.h"
#include "entity.h"
#include "txtprt_import.h"

#include "shader.h"

/**********************************************************************/

view camera;
vec3 camera_velocity;
float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
float camera_velocity_factor = 80;

void
HotKey_ToggleFullScreen (void)
{
  SDL_Surface *screen;

  screen = SDL_GetVideoSurface ();
  if (SDL_WM_ToggleFullScreen (screen))
    printf ("Toggled fullscreen mode - now %s\n",
            (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
  else
    printf ("Unable to toggle fullscreen mode\n");
}

void
HotKey_ToggleGrab (void)
{
  SDL_GrabMode mode;

  printf ("Ctrl-G: toggling input grab!\n");
  mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
  if (mode == SDL_GRAB_ON)
    printf ("Grab was on\n");
  else
    printf ("Grab was off\n");

  mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
  if (mode == SDL_GRAB_ON)
    printf ("Grab is now on\n");
  else
    printf ("Grab is now off\n");
}

void
HotKey_Iconify (void)
{
  printf ("Ctrl-Z: iconifying window!\n");
  SDL_WM_IconifyWindow ();
}

int
HandleEvent (SDL_Event * event)
{
  int done;

  done = 0;
  switch (event->type)
    {
    case SDL_ACTIVEEVENT:
      /* See what happened */
      printf ("app %s ", event->active.gain ? "gained" : "lost");
      if (event->active.state & SDL_APPACTIVE)
        printf ("active ");
      else if (event->active.state & SDL_APPMOUSEFOCUS)
        printf ("mouse ");
      else if (event->active.state & SDL_APPINPUTFOCUS)
        printf ("input ");

      printf ("focus\n");
      break;

    case SDL_KEYDOWN:
      if (event->key.keysym.sym == SDLK_UP)       camera_velocity.z--;
      if (event->key.keysym.sym == SDLK_DOWN)     camera_velocity.z++;
      if (event->key.keysym.sym == SDLK_RIGHT)    camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_LEFT)     camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_PAGEUP)   camera_velocity_angle2++;
      if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
      if (event->key.keysym.sym == SDLK_e)        camera_velocity.y--;
      if (event->key.keysym.sym == SDLK_q)        camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_v)        camera_velocity_factor *= 1.5;
      if (event->key.keysym.sym == SDLK_b)        camera_velocity_factor /= 1.5;

      if (event->key.keysym.sym == SDLK_ESCAPE)
        done = 1;

      if ((event->key.keysym.sym == SDLK_g) &&
          (event->key.keysym.mod & KMOD_CTRL))
        HotKey_ToggleGrab ();

      if ((event->key.keysym.sym == SDLK_z) &&
          (event->key.keysym.mod & KMOD_CTRL))
        HotKey_Iconify ();

      if ((event->key.keysym.sym == SDLK_RETURN) &&
          (event->key.keysym.mod & KMOD_ALT))
        HotKey_ToggleFullScreen ();

      break;

    case SDL_KEYUP:
      if (event->key.keysym.sym == SDLK_UP)    camera_velocity.z++;
      if (event->key.keysym.sym == SDLK_DOWN)  camera_velocity.z--;
      if (event->key.keysym.sym == SDLK_LEFT)  camera_velocity_angle++;
      if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
      if (event->key.keysym.sym == SDLK_PAGEUP)   camera_velocity_angle2--;
      if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
      if (event->key.keysym.sym == SDLK_e)     camera_velocity.y++;
      if (event->key.keysym.sym == SDLK_q)     camera_velocity.y--;
      break;

    case SDL_QUIT:
      done = 1;
      break;
    }

  return (done);
}

void draw_floor (int size, int dx, int dy, int dz)
{
  int x, z, ry;

  for (x = 0; x < 10; x++)
    {
      for (z = 0; z < 10; z++)
        {
          vector<vertex_t2f_n3f_v3f> pts;
          pts.push_back (vertex_t2f_n3f_v3f (point (   0, 0,    0), vec3 (0, 1, 0), tex2 (0, 0)));
          pts.push_back (vertex_t2f_n3f_v3f (point (   0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
          pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
          pts.push_back (vertex_t2f_n3f_v3f (point (size, 0,    0), vec3 (0, 1, 0), tex2 (1, 0)));

          geometry_quads *q = new geometry_quads;
          q->m = new simple_material;
          q->set (pts);
          entity *e = new entity (q);
          e->move (vec3 (dx + x * size, dy, dz + z * size));
          e->show ();
        }
    }
}

void draw_test_nurb ()
{
  geometry_nurbs *q = new geometry_nurbs;
  q->set ();
  entity *e = new entity (q);
  e->move (vec3 (10, 3, -4));
  e->show ();
}

void fisch (vec3 center, GLfloat radius, int depth)
{
  entity *planet = new entity (new geometry_sphere (radius));
  planet->move (center);
  planet->show ();

  if (--depth)
    {
      GLfloat r2 = radius * .1F;
      GLfloat r3 = radius + r2;

      fisch (center + vec3 (r3, 0, 0), r2, depth);
      fisch (center + vec3 (0, 0, r3), r2, depth);
      fisch (center + vec3 (-r3, 0, 0), r2, depth);
    }
}

extern void draw_level ();
int
RunGLTest (int argc, char *argv[],
           int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
{
  int i;
  int rgb_size[3];
  int w = 640;
  int h = 480;
  int done = 0;
  int frames;
  Uint32 video_flags;
  int value;
      GLenum gl_error;

  if (SDL_Init (SDL_INIT_VIDEO) < 0)
    {
      fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
      exit (1);
    }

  /* See if we should detect the display depth */
  if (bpp == 0)
    {
      if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
        bpp = 8;
      else
        bpp = 16;               /* More doesn't seem to work */
    }

  video_flags = SDL_OPENGL;

  for (i = 1; argv[i]; ++i)
    if (strcmp (argv[1], "-fullscreen") == 0)
      video_flags |= SDL_FULLSCREEN;

  if (noframe)
    video_flags |= SDL_NOFRAME;

  /* Initialize the display */
  switch (bpp)
    {
    case 8:
      rgb_size[0] = 3;
      rgb_size[1] = 3;
      rgb_size[2] = 2;
      break;

    case 15:
    case 16:
      rgb_size[0] = 5;
      rgb_size[1] = 5;
      rgb_size[2] = 5;
      break;

    default:
      rgb_size[0] = 8;
      rgb_size[1] = 8;
      rgb_size[2] = 8;
      break;
    }

  SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
  SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
  SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
  SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
  SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);

  if (fsaa)
    {
      SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
      SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
    }

  if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
    {
      fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
      SDL_Quit ();
      exit (1);
    }

  //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
  //printf ("\n");
  //printf ("Vendor     : %s\n", glGetString (GL_VENDOR));
  //printf ("Renderer   : %s\n", glGetString (GL_RENDERER));
  //printf ("Version    : %s\n", glGetString (GL_VERSION));
  //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
  printf ("\n");

  SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
  printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
  SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
  printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
  SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
  printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
  SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
  printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
  SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
  printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);

  if (fsaa)
    {
      SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
      printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
      SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
      printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
              value);
    }

  /* Set the window manager title bar */
  SDL_WM_SetCaption ("libgender rendering test", "gendertest");

  /* Set the gamma for the window */
  if (gamma != 0.0)
    SDL_SetGamma (gamma, gamma, gamma);

    entity *planet = new entity (new geometry_sphere (10));
    planet->move (vec3 (0, 0, -20));
    planet->show ();

  shader::debdebdebdebug ();//D

#if 1
  for (int i = 0; i < 20; i++)
    {
      // load a entity
      txtprt_parser p;
      geometry *g;
      try
        {
          g = p.read ("test.blasc");
        }
      catch (txtprt_i_exception & e)
        {
          cout << "ERR: " << e.msg << endl;
        }

      entity *e = new entity (g);
      e->move (vec3 (i*5, -3, -i*10));
      e->show ();
    }

    {
      fisch (vec3 (0, 0, -2e9), 1e9, 8);
      //entity *planet = new entity (new geometry_sphere (1e9));
      //planet->move (vec3 (0, 0, -1.5e9));
      //planet->show ();
    }

    {
      entity *planet = new entity (new geometry_sphere (4e15));
      planet->move (vec3 (0, 0, 1e17));
      planet->show ();
    }

  draw_floor (10, -500, -10, -1000);
  draw_level ();
  //draw_test_nurb ();
#endif

  //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
  camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
  camera.p = point (0, 0, 10);
  camera.d = vec3 (0, 0, -1);
  camera.u = vec3 (0, 1, 0);
  camera.w = w; camera.h = h;
  camera.fov = 40.;

  glEnable (GL_CULL_FACE);
  glDisable (GL_ALPHA_TEST);
  glDisable (GL_BLEND);

  test_material test_mat;

  /* Loop until done. */
  frames = 0;

  while (!done)
    {
      char *sdl_error;
      SDL_Event event;

      camera_angle  += 180 * camera_velocity_angle  * timer.diff;
      camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;

      vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
      vec3 right     = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;

      camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
      camera.u = cross (camera.d, right);

      camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
      camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;

      test_mat.enable ();

      camera.begin ();
      camera.render (view::DEPTH);
      camera.render (view::POSTDEPTH);
      camera.render (view::LIGHTED);
      camera.end ();

      SDL_GL_SwapBuffers ();
      timer.frame ();

      test_mat.disable ();

#if 0
      /* Check for error conditions. */
      gl_error = glGetError ();

      if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);

      sdl_error = SDL_GetError ();

      if (sdl_error[0] != '\0')
        {
          fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
          SDL_ClearError ();
        }

      /* Allow the user to see what's happening */
      //SDL_Delay (40);
#endif

      /* Check if there's a pending event. */
      while (SDL_PollEvent (&event))
        done = HandleEvent (&event);


      ++frames;
    }

  if (global_image)
    {
      SDL_FreeSurface (global_image);
      global_image = NULL;
    }
  if (global_texture)
    {
      glDeleteTextures (1, &global_texture);
      global_texture = 0;
    }

  /* Destroy our GL context, etc. */
  SDL_Quit ();
  return (0);
}
int
main (int argc, char *argv[])
{
  int i, logo;
  int numtests;
  int bpp = 0;
  int slowly;
  float gamma = 0.0;
  int noframe = 0;
  int fsaa = 0;

  logo = 0;
  slowly = 0;
  numtests = 1;
  for (i = 1; argv[i]; ++i)
    {
      if (strcmp (argv[i], "-twice") == 0)
        {
          ++numtests;
        }
      if (strcmp (argv[i], "-slow") == 0)
        {
          slowly = 1;
        }
      if (strcmp (argv[i], "-bpp") == 0)
        {
          bpp = atoi (argv[++i]);
        }
      if (strcmp (argv[i], "-gamma") == 0)
        {
          gamma = (float) atof (argv[++i]);
        }
      if (strcmp (argv[i], "-noframe") == 0)
        {
          noframe = 1;
        }
      if (strcmp (argv[i], "-fsaa") == 0)
        {
          ++fsaa;
        }
      if (strncmp (argv[i], "-h", 2) == 0)
        {
          printf
            ("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
             argv[0]);
          exit (0);
        }
    }

  for (i = 0; i < numtests; ++i)
    RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);

  return 0;
}
Revision:	1.71
Committed:	Fri Oct 29 15:58:50 2004 UTC (19 years, 7 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.70:	+3 -5 lines
Log Message:	* empty log message *
#	Content
1	#include <stdlib.h>
2	#include <stdio.h>
3	#include <string.h>
4	#include <math.h>
5
6	#include "opengl.h"
7
8	#include "SDL.h"
9	#include "SDL_opengl.h"
10
11	static SDL_Surface *global_image = NULL;
12	static GLuint global_texture = 0;
13
14	#include "util.h"
15	#include "entity.h"
16	#include "txtprt_import.h"
17
18	#include "shader.h"
19
20	/**********************************************************************/
21
22	view camera;
23	vec3 camera_velocity;
24	float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
25	float camera_velocity_factor = 80;
26
27	void
28	HotKey_ToggleFullScreen (void)
29	{
30	SDL_Surface *screen;
31
32	screen = SDL_GetVideoSurface ();
33	if (SDL_WM_ToggleFullScreen (screen))
34	printf ("Toggled fullscreen mode - now %s\n",
35	(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
36	else
37	printf ("Unable to toggle fullscreen mode\n");
38	}
39
40	void
41	HotKey_ToggleGrab (void)
42	{
43	SDL_GrabMode mode;
44
45	printf ("Ctrl-G: toggling input grab!\n");
46	mode = SDL_WM_GrabInput (SDL_GRAB_QUERY);
47	if (mode == SDL_GRAB_ON)
48	printf ("Grab was on\n");
49	else
50	printf ("Grab was off\n");
51
52	mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON);
53	if (mode == SDL_GRAB_ON)
54	printf ("Grab is now on\n");
55	else
56	printf ("Grab is now off\n");
57	}
58
59	void
60	HotKey_Iconify (void)
61	{
62	printf ("Ctrl-Z: iconifying window!\n");
63	SDL_WM_IconifyWindow ();
64	}
65
66	int
67	HandleEvent (SDL_Event * event)
68	{
69	int done;
70
71	done = 0;
72	switch (event->type)
73	{
74	case SDL_ACTIVEEVENT:
75	/* See what happened */
76	printf ("app %s ", event->active.gain ? "gained" : "lost");
77	if (event->active.state & SDL_APPACTIVE)
78	printf ("active ");
79	else if (event->active.state & SDL_APPMOUSEFOCUS)
80	printf ("mouse ");
81	else if (event->active.state & SDL_APPINPUTFOCUS)
82	printf ("input ");
83
84	printf ("focus\n");
85	break;
86
87	case SDL_KEYDOWN:
88	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
89	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
90	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
91	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
92	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
93	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
94	if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
95	if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
96	if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
97	if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
98
99	if (event->key.keysym.sym == SDLK_ESCAPE)
100	done = 1;
101
102	if ((event->key.keysym.sym == SDLK_g) &&
103	(event->key.keysym.mod & KMOD_CTRL))
104	HotKey_ToggleGrab ();
105
106	if ((event->key.keysym.sym == SDLK_z) &&
107	(event->key.keysym.mod & KMOD_CTRL))
108	HotKey_Iconify ();
109
110	if ((event->key.keysym.sym == SDLK_RETURN) &&
111	(event->key.keysym.mod & KMOD_ALT))
112	HotKey_ToggleFullScreen ();
113
114	break;
115
116	case SDL_KEYUP:
117	if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
118	if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
119	if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
120	if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
121	if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
122	if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
123	if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
124	if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
125	break;
126
127	case SDL_QUIT:
128	done = 1;
129	break;
130	}
131
132	return (done);
133	}
134
135	void draw_floor (int size, int dx, int dy, int dz)
136	{
137	int x, z, ry;
138
139	for (x = 0; x < 10; x++)
140	{
141	for (z = 0; z < 10; z++)
142	{
143	vector<vertex_t2f_n3f_v3f> pts;
144	pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
145	pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
146	pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
147	pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
148
149	geometry_quads *q = new geometry_quads;
150	q->m = new simple_material;
151	q->set (pts);
152	entity *e = new entity (q);
153	e->move (vec3 (dx + x * size, dy, dz + z * size));
154	e->show ();
155	}
156	}
157	}
158
159	void draw_test_nurb ()
160	{
161	geometry_nurbs *q = new geometry_nurbs;
162	q->set ();
163	entity *e = new entity (q);
164	e->move (vec3 (10, 3, -4));
165	e->show ();
166	}
167
168	void fisch (vec3 center, GLfloat radius, int depth)
169	{
170	entity *planet = new entity (new geometry_sphere (radius));
171	planet->move (center);
172	planet->show ();
173
174	if (--depth)
175	{
176	GLfloat r2 = radius * .1F;
177	GLfloat r3 = radius + r2;
178
179	fisch (center + vec3 (r3, 0, 0), r2, depth);
180	fisch (center + vec3 (0, 0, r3), r2, depth);
181	fisch (center + vec3 (-r3, 0, 0), r2, depth);
182	}
183	}
184
185	extern void draw_level ();
186	int
187	RunGLTest (int argc, char *argv[],
188	int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
189	{
190	int i;
191	int rgb_size[3];
192	int w = 640;
193	int h = 480;
194	int done = 0;
195	int frames;
196	Uint32 video_flags;
197	int value;
198	GLenum gl_error;
199
200	if (SDL_Init (SDL_INIT_VIDEO) < 0)
201	{
202	fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
203	exit (1);
204	}
205
206	/* See if we should detect the display depth */
207	if (bpp == 0)
208	{
209	if (SDL_GetVideoInfo ()->vfmt->BitsPerPixel <= 8)
210	bpp = 8;
211	else
212	bpp = 16; /* More doesn't seem to work */
213	}
214
215	video_flags = SDL_OPENGL;
216
217	for (i = 1; argv[i]; ++i)
218	if (strcmp (argv[1], "-fullscreen") == 0)
219	video_flags \|= SDL_FULLSCREEN;
220
221	if (noframe)
222	video_flags \|= SDL_NOFRAME;
223
224	/* Initialize the display */
225	switch (bpp)
226	{
227	case 8:
228	rgb_size[0] = 3;
229	rgb_size[1] = 3;
230	rgb_size[2] = 2;
231	break;
232
233	case 15:
234	case 16:
235	rgb_size[0] = 5;
236	rgb_size[1] = 5;
237	rgb_size[2] = 5;
238	break;
239
240	default:
241	rgb_size[0] = 8;
242	rgb_size[1] = 8;
243	rgb_size[2] = 8;
244	break;
245	}
246
247	SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]);
248	SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]);
249	SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]);
250	SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24);
251	SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
252
253	if (fsaa)
254	{
255	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1);
256	SDL_GL_SetAttribute (SDL_GL_MULTISAMPLESAMPLES, fsaa);
257	}
258
259	if (SDL_SetVideoMode (w, h, bpp, video_flags) == NULL)
260	{
261	fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ());
262	SDL_Quit ();
263	exit (1);
264	}
265
266	//printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel);
267	//printf ("\n");
268	//printf ("Vendor : %s\n", glGetString (GL_VENDOR));
269	//printf ("Renderer : %s\n", glGetString (GL_RENDERER));
270	//printf ("Version : %s\n", glGetString (GL_VERSION));
271	//printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS));
272	printf ("\n");
273
274	SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value);
275	printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value);
276	SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value);
277	printf ("SDL_GL_GREEN_SIZE: requested %d, got %d\n", rgb_size[1], value);
278	SDL_GL_GetAttribute (SDL_GL_BLUE_SIZE, &value);
279	printf ("SDL_GL_BLUE_SIZE: requested %d, got %d\n", rgb_size[2], value);
280	SDL_GL_GetAttribute (SDL_GL_DEPTH_SIZE, &value);
281	printf ("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", bpp, value);
282	SDL_GL_GetAttribute (SDL_GL_DOUBLEBUFFER, &value);
283	printf ("SDL_GL_DOUBLEBUFFER: requested 1, got %d\n", value);
284
285	if (fsaa)
286	{
287	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLEBUFFERS, &value);
288	printf ("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
289	SDL_GL_GetAttribute (SDL_GL_MULTISAMPLESAMPLES, &value);
290	printf ("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
291	value);
292	}
293
294	/* Set the window manager title bar */
295	SDL_WM_SetCaption ("libgender rendering test", "gendertest");
296
297	/* Set the gamma for the window */
298	if (gamma != 0.0)
299	SDL_SetGamma (gamma, gamma, gamma);
300
301	entity *planet = new entity (new geometry_sphere (10));
302	planet->move (vec3 (0, 0, -20));
303	planet->show ();
304
305	shader::debdebdebdebug ();//D
306
307	#if 1
308	for (int i = 0; i < 20; i++)
309	{
310	// load a entity
311	txtprt_parser p;
312	geometry *g;
313	try
314	{
315	g = p.read ("test.blasc");
316	}
317	catch (txtprt_i_exception & e)
318	{
319	cout << "ERR: " << e.msg << endl;
320	}
321
322	entity *e = new entity (g);
323	e->move (vec3 (i5, -3, -i10));
324	e->show ();
325	}
326
327	{
328	fisch (vec3 (0, 0, -2e9), 1e9, 8);
329	//entity *planet = new entity (new geometry_sphere (1e9));
330	//planet->move (vec3 (0, 0, -1.5e9));
331	//planet->show ();
332	}
333
334	{
335	entity *planet = new entity (new geometry_sphere (4e15));
336	planet->move (vec3 (0, 0, 1e17));
337	planet->show ();
338	}
339
340	draw_floor (10, -500, -10, -1000);
341	draw_level ();
342	//draw_test_nurb ();
343	#endif
344
345	//camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
346	camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
347	camera.p = point (0, 0, 10);
348	camera.d = vec3 (0, 0, -1);
349	camera.u = vec3 (0, 1, 0);
350	camera.w = w; camera.h = h;
351	camera.fov = 40.;
352
353	glEnable (GL_CULL_FACE);
354	glDisable (GL_ALPHA_TEST);
355	glDisable (GL_BLEND);
356
357	test_material test_mat;
358
359	/* Loop until done. */
360	frames = 0;
361
362	while (!done)
363	{
364	char *sdl_error;
365	SDL_Event event;
366
367	camera_angle += 180 * camera_velocity_angle * timer.diff;
368	camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
369
370	vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
371	vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
372
373	camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
374	camera.u = cross (camera.d, right);
375
376	camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
377	camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
378
379	test_mat.enable ();
380
381	camera.begin ();
382	camera.render (view::DEPTH);
383	camera.render (view::POSTDEPTH);
384	camera.render (view::LIGHTED);
385	camera.end ();
386
387	SDL_GL_SwapBuffers ();
388	timer.frame ();
389
390	test_mat.disable ();
391
392	#if 0
393	/* Check for error conditions. */
394	gl_error = glGetError ();
395
396	if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
397
398	sdl_error = SDL_GetError ();
399
400	if (sdl_error[0] != '\0')
401	{
402	fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
403	SDL_ClearError ();
404	}
405
406	/* Allow the user to see what's happening */
407	//SDL_Delay (40);
408	#endif
409
410	/* Check if there's a pending event. */
411	while (SDL_PollEvent (&event))
412	done = HandleEvent (&event);
413
414
415	++frames;
416	}
417
418	if (global_image)
419	{
420	SDL_FreeSurface (global_image);
421	global_image = NULL;
422	}
423	if (global_texture)
424	{
425	glDeleteTextures (1, &global_texture);
426	global_texture = 0;
427	}
428
429	/* Destroy our GL context, etc. */
430	SDL_Quit ();
431	return (0);
432	}
433	int
434	main (int argc, char *argv[])
435	{
436	int i, logo;
437	int numtests;
438	int bpp = 0;
439	int slowly;
440	float gamma = 0.0;
441	int noframe = 0;
442	int fsaa = 0;
443
444	logo = 0;
445	slowly = 0;
446	numtests = 1;
447	for (i = 1; argv[i]; ++i)
448	{
449	if (strcmp (argv[i], "-twice") == 0)
450	{
451	++numtests;
452	}
453	if (strcmp (argv[i], "-slow") == 0)
454	{
455	slowly = 1;
456	}
457	if (strcmp (argv[i], "-bpp") == 0)
458	{
459	bpp = atoi (argv[++i]);
460	}
461	if (strcmp (argv[i], "-gamma") == 0)
462	{
463	gamma = (float) atof (argv[++i]);
464	}
465	if (strcmp (argv[i], "-noframe") == 0)
466	{
467	noframe = 1;
468	}
469	if (strcmp (argv[i], "-fsaa") == 0)
470	{
471	++fsaa;
472	}
473	if (strncmp (argv[i], "-h", 2) == 0)
474	{
475	printf
476	("Usage: %s [-twice] [-logo] [-slow] [-bpp n] [-gamma n] [-noframe] [-fsaa]\n",
477	argv[0]);
478	exit (0);
479	}
480	}
481
482	for (i = 0; i < numtests; ++i)
483	RunGLTest (argc, argv, logo, slowly, bpp, gamma, noframe, fsaa);
484
485	return 0;
486	}